CN212985531U - Silencing Roots blower for sewage treatment plant - Google Patents
Silencing Roots blower for sewage treatment plant Download PDFInfo
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- CN212985531U CN212985531U CN202021741489.5U CN202021741489U CN212985531U CN 212985531 U CN212985531 U CN 212985531U CN 202021741489 U CN202021741489 U CN 202021741489U CN 212985531 U CN212985531 U CN 212985531U
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- sewage treatment
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- 239000010865 sewage Substances 0.000 title claims abstract description 25
- 230000030279 gene silencing Effects 0.000 title claims description 19
- 238000009413 insulation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003584 silencer Effects 0.000 description 16
- 238000007789 sealing Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a amortization roots fan is used in sewage treatment plant, including bellows, the cavity inner wall swing joint of bellows has first fan blade and second fan blade, the air inlet end has been seted up to the terminal surface of bellows, the inner wall fixedly connected with third filter screen of air inlet end, the terminal surface of bellows and the one side opposite with the air inlet end pass through screw fixedly connected with one-level whistle box, the terminal surface of one-level whistle box and the one end fixedly connected with second grade whistle box of keeping away from bellows. The utility model discloses, setting up the filter screen through income wind gap and air outlet at amortization roots's fan, having avoided debris to fly into bellows in, avoid causing the damage to bellows internals, improve equipment's life through installing one-level whistle box and second grade whistle box in proper order at the bellows afterbody, effectively eliminates horizontal sound wave and vertical sound wave, under the condition of the amortization equipment volume that reduces, has improved the noise cancelling effect.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to an amortization roots fan is used in sewage treatment plant.
Background
Sewage just can discharge after handling, avoids it to cause the influence to the environment, but when sewage was handled, probably gave out a large amount of waste gas, wherein contains certain harmful component, if not handle it then probably cause the influence to air circumstance, and generally mostly adopt the fan to carry out centralized processing to the waste gas that gives out, the fan is a general mechanical equipment, and its application range is very wide, and the sale of each trade such as electric power, mine, machinery, metallurgy, chemical industry all can not leave the fan. Noise generated by the operation of a fan is often a source of health concerns for workers and environmental disturbances. Especially, the aerodynamic noise radiated by the air inlet and the air outlet of the fan adjacent to the living area is a main factor for polluting the environment, forms public nuisance and is one of the main objects for controlling noise pollution in the industrial departments of China in recent years.
The sewage treatment plant generally adopts a Roots blower, in order to reduce the noise in the working process of the Roots blower, a silencer is generally installed on the Roots blower, and the silencer/silencer of the Roots blower is developed according to the silencing principle of a sound-proof sheet, so that the silencer has excellent acoustic performance and good aerodynamic performance; the honeycomb type silencer is reasonable in structure and convenient to install, is a large-air-resistance honeycomb type silencer, and the resistance section adopts the form of a multi-chamber resistance rubber straight pipe channel and a cross-shaped sound absorption sheet, so that enough noise elimination quantity in a wide frequency band range is guaranteed. The silencer structure is composed of a plurality of parallel unit silencing tubes, porous sound-absorbing materials are filled between the silencing tubes, and reinforcing ribs are arranged on the shell in order to reduce the radiation sound generated by the vibration of the shell wall excited by airflow. The forms of the fan silencer, the centrifugal fan silencer and the air-blowing fan silencer adopt a resistive sound-absorbing noise-reducing principle with better effect on the characteristics of medium and high frequency broadband, and a resistive sound-absorbing noise-reducing principle with good effect on the characteristics of low, medium and pulsating, a micro-perforated silencer and an impedance composite silencer.
At present, the noise cancelling effect of the roots blower for sewage treatment plant is not obvious, in order to improve the noise cancelling effect, the length of the silencer installed at the wind gate of the roots blower is long, the installation is inconvenient, a volume is suitable, the noise cancelling effect is better, and the noise cancelling roots blower is more convenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a silencing Roots blower for a sewage treatment plant.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a silencing Roots blower for a sewage treatment plant comprises an air box, wherein a first fan blade and a second fan blade are movably connected to the inner wall of a cavity of the air box, an air inlet end is formed in the end face of the air box, a third filter screen is fixedly connected to the inner wall of the air inlet end, a first-stage silencing box is fixedly connected to the end face of the air box and the side opposite to the air inlet end through screws, a second-stage silencing box is fixedly connected to the end face of the first-stage silencing box and the end far away from the air box, a mounting frame is fixedly connected to the end face of the air box and the same end face of the first-stage silencing box, the mounting frame is fixedly connected to the side face of the first-stage silencing box through a second mounting frame, a first rotating shaft and a second rotating shaft are movably connected to the front inner wall and the rear wall of the air box through bearings, a first gear is fixedly, one end of the second rotating shaft extends to the outer side face of the air box and is fixedly connected with a second gear.
As a further description of the above technical solution:
the front end face and the rear end face of the air box are movably connected with a first rotating shaft and a second rotating shaft through bearings, the side face of the first rotating shaft is fixedly connected with the first fan blade, and the side face of the second rotating shaft is fixedly connected with the second fan blade.
As a further description of the above technical solution:
and a rubber sealing ring is fixedly connected between the connecting end surfaces of the air box and the primary muffling box, and a through hole which is parallel and level to the inner wall of the air box is formed in the middle of the rubber sealing ring.
As a further description of the above technical solution:
the inner wall fixedly connected with longitudinal wave muffler of one-level whistle box, the quantity of longitudinal wave muffler has a plurality of, and evenly arranges at the inner wall of one-level whistle box, the inner wall of one-level whistle box and the one end fixedly connected with second filter screen that is close to bellows.
As a further description of the above technical solution:
the inner wall fixedly connected with transverse wave muffler of second grade whistle box, the quantity of transverse wave muffler has a plurality of, and evenly arranges at the inner wall of second grade whistle box, the inner wall of second grade whistle box just keeps away from the first filter screen of one end fixedly connected with of one-level whistle box.
As a further description of the above technical solution:
the side face of the first fan blade is movably connected with the side face of the second fan blade, and a sound insulation plate is fixedly connected inside the box wall of the air box.
As a further description of the above technical solution:
the first gear is meshed with the second gear and is driven by the motor.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this amortization roots blower is used in sewage treatment plant sets up the filter screen through income wind gap and air outlet at amortization roots blower, has avoided debris to fly into bellows in, avoids causing damage, improve equipment's life to bellows internals.
2. Compared with the prior art, this amortization roots fan for sewage treatment plant, through installing one-level whistle box and second grade whistle box in proper order at bellows afterbody, effectively eliminate horizontal sound wave and vertical sound wave, under the condition of the amortization equipment volume that reduces, improved noise cancelling effect.
Drawings
FIG. 1 is a schematic view of the overall structure of a noise-reduction Roots blower for a sewage treatment plant according to the present invention;
FIG. 2 is a back structural diagram of a component bellows of a noise reduction Roots blower for a sewage treatment plant according to the present invention;
fig. 3 is a right side view of the component bellows of the silencing roots blower for sewage treatment plant according to the present invention.
Illustration of the drawings:
1. an air box; 2. a rubber seal ring; 3. a primary sound deadening box; 4. a mounting frame; 5. a first fixing frame; 6. A secondary sound-reducing box; 7. a transverse wave silencer; 8. a first filter screen; 9. a second fixing frame; 10. a longitudinal wave silencer; 11. a second filter screen; 12. a first fan blade; 13. a first rotating shaft; 14. a third filter screen; 15. an air inlet end; 16. a second rotating shaft; 17. a second fan blade; 18. a sound insulating board; 19. a second gear; 20. a first gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model provides a pair of amortization roots fan is used in sewage treatment plant: comprises an air box 1, a main body for generating air flow, a first fan blade 12 and a second fan blade 17 are movably connected with the inner wall of the cavity of the air box 1 and used for driving air to generate strong air flow, an air inlet end 15 is arranged on the end surface of the air box 1 and used for sucking air from the outside, a third filter screen 14 is fixedly connected with the inner wall of the air inlet end 15 to prevent external impurities from entering the air box 1 to cause equipment damage, a primary sound-muffling box 3 is fixedly connected with the end surface of the air box 1 opposite to the air inlet end 15 through screws, a secondary sound-muffling box 6 is fixedly connected with the end surface of the primary sound-muffling box 3 and the end surface far away from the air box 1, a mounting frame 4 is fixedly connected with the end surface of the primary sound-muffling box 3 and the secondary sound-muffling box 6 and used for fixedly connecting the air box 1 with the primary sound-muffling box 3 and the secondary sound-muffling, the front inner wall and the rear inner wall of the air box 1 are movably connected with a first rotating shaft 13 and a second rotating shaft 16 through bearings and used for transmitting rotary power, one end of the first rotating shaft 13 extends to the outer side face of the air box 1 and is fixedly connected with a first gear 20, one end of the second rotating shaft 16 extends to the outer side face of the air box 1 and is fixedly connected with a second gear 19 and used for transmitting rotary power to the first fan blade 12 and the second fan blade 17.
The front end face and the rear end face of an air box 1 are movably connected with a first rotating shaft 13 and a second rotating shaft 16 through bearings, the side face of the first rotating shaft 13 is fixedly connected with a first fan blade 12, the side face of the second rotating shaft 16 is fixedly connected with a second fan blade 17 and is used for transmitting the power of a gear to the fan blades, a rubber sealing ring 2 is fixedly connected between the air box 1 and the connecting end face of a primary sound-deadening box 3, the middle part of the rubber sealing ring 2 is provided with a through hole which is flush with the inner wall of the air box 1 and plays roles of absorbing vibration and sealing the connecting end face, the inner wall of the primary sound-deadening box 3 is fixedly connected with a longitudinal wave silencer 10, the number of the longitudinal wave silencers 10 is several, the longitudinal wave silencers are uniformly distributed on the inner wall of the primary sound-deadening box 3 and are used for absorbing longitudinal sound waves, one end, close to the air box 1, of the inner wall of the primary, the quantity of transverse wave muffler 7 has a plurality of, and evenly arrange at the inner wall of second grade whistle box 6, absorb transverse sound wave, the inner wall of second grade whistle box 6 and the first filter screen 8 of one-level whistle box 3's one end fixedly connected with of keeping away from, place external impurity dust and get into in the muffler from the muffler tail end, the side of first fan blade 12 and the side swing joint of second fan blade 17, realize the compression and the emission to the air, thereby produce powerful airflow, the inside fixedly connected with acoustic celotex board 18 of tank wall of bellows 1, be used for absorbing the vibration that the organism during operation produced, avoid producing the noise sound wave, first gear 20 and the meshing of second gear 19, drive by the motor, for whole roots's fan carries enough power.
The working principle is as follows: during the use, with this amortization roots's fan sewage treatment's suitable position, start the motor of fan, the motor drives first pivot 13 and second pivot 16 through first gear 20 and second gear 19 and orders about first fan blade 12 and the rotatory air that promotes of second fan blade 17 and produce the air current, the air is compressed fast and is certainly can the vibration with the release, the vibration that transmits the organism is absorbed by acoustic celotex board 18, transmit the vibration of backward exhaust air current, the longitudinal wave part is absorbed by longitudinal wave muffler 10 in the one-level amortization case 3, and the transverse wave part is absorbed by transverse wave muffler 7 in the second-level amortization case 6 of next stage, thereby the noise intensity of the powerful air current that the roots's fan produced has obtained effective reduction.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a sewage treatment plant is with amortization roots's fan, includes bellows (1), its characterized in that: the air box is characterized in that a first fan blade (12) and a second fan blade (17) are movably connected to the inner wall of a cavity of the air box (1), an air inlet end (15) is formed in the end face of the air box (1), a third filter screen (14) is fixedly connected to the inner wall of the air inlet end (15), the end face of the air box (1) and the side opposite to the air inlet end (15) are fixedly connected with a primary sound deadening box (3) through screws, the end face of the primary sound deadening box (3) and the end far away from the air box (1) are fixedly connected with a secondary sound deadening box (6), the end face of the air box (1) and the end face of the primary sound deadening box (3) are fixedly connected with a mounting frame (4), the mounting frame (4) is fixedly connected with the side face of the primary sound deadening box (3) through a second fixing frame (9), and the mounting frame, the utility model discloses a bellows (1) is characterized in that the inner wall has first pivot (13) and second pivot (16) around bellows (1) through bearing swing joint, the one end of first pivot (13) and extend to the first gear of lateral surface fixedly connected with (20) of bellows (1), the one end of second pivot (16) and extend to the lateral surface fixedly connected with second gear (19) of bellows (1).
2. The silencing Roots blower for the sewage treatment plant according to claim 1, wherein: the wind box is characterized in that the front end face and the rear end face of the wind box (1) are movably connected with a first rotating shaft (13) and a second rotating shaft (16) through bearings, the side face of the first rotating shaft (13) is fixedly connected with a first fan blade (12), and the side face of the second rotating shaft (16) is fixedly connected with a second fan blade (17).
3. The silencing Roots blower for the sewage treatment plant according to claim 1, wherein: fixedly connected with rubber seal (2) between bellows (1) and the connection terminal surface of one-level whistle box (3), the through-hole with bellows (1) inner wall parallel and level is seted up at the middle part of rubber seal (2).
4. The silencing Roots blower for the sewage treatment plant according to claim 1, wherein: the inner wall fixedly connected with longitudinal wave muffler (10) of one-level whistle box (3), the quantity of longitudinal wave muffler (10) has a plurality of, and evenly arranges at the inner wall of one-level whistle box (3), the inner wall of one-level whistle box (3) and the one end fixedly connected with second filter screen (11) that is close to bellows (1).
5. The silencing Roots blower for the sewage treatment plant according to claim 1, wherein: the inner wall fixedly connected with shear wave muffler (7) of second grade whistle box (6), the quantity of shear wave muffler (7) has a plurality of, and evenly arranges at the inner wall of second grade whistle box (6), the inner wall of second grade whistle box (6) just keeps away from one end fixedly connected with first filter screen (8) of one-level whistle box (3).
6. The silencing Roots blower for the sewage treatment plant according to claim 1, wherein: the side face of the first fan blade (12) is movably connected with the side face of the second fan blade (17), and a sound insulation plate (18) is fixedly connected inside the wall of the air box (1).
7. The silencing Roots blower for the sewage treatment plant according to claim 1, wherein: the first gear (20) is meshed with the second gear (19) and is driven by the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021741489.5U CN212985531U (en) | 2020-08-19 | 2020-08-19 | Silencing Roots blower for sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021741489.5U CN212985531U (en) | 2020-08-19 | 2020-08-19 | Silencing Roots blower for sewage treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985531U true CN212985531U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021741489.5U Active CN212985531U (en) | 2020-08-19 | 2020-08-19 | Silencing Roots blower for sewage treatment plant |
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| Country | Link |
|---|---|
| CN (1) | CN212985531U (en) |
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2020
- 2020-08-19 CN CN202021741489.5U patent/CN212985531U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Tongxin village, Tang Wang Township, Yangzhou, Jiangsu Province Patentee after: Yangzhou Jieyuan Environment Co.,Ltd. Address before: 225000 Tongxin village, Tangwang Township, Guangling District, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU JIEYUAN DISCHARGE WATER CO.,LTD. |
|
| CP03 | Change of name, title or address |